In 1916 Harley Davidson introduced there first overhead 8 Valves twin engine mounted to there model 17 racer, the radical 8-Valves machine consider to be one of Harley Davidson crowning achievements, one that was truly innovative and advanced to that era, The 1916 8-valves racing model is rare and unique by its color and configuration, only few where made but the production of the 8V racers continue up to 1928...